不能使用的

Constant Flow Valve and the constant flow regulating valve are different: there is only one fixed flow valve valve from the valve directly feel before and after the differential pressure valve, the implementation of change in valve resistance action can be "direct action type variable resistance valve "It should not regulate the flow line, so the use of Constant Flow Valve can not be implemented to change the total flow of energy to run, and this set the flow valve as there are no imports of expensive, in the past, domestic heating systems seldom used, and only at some central air conditioning system to see.

定流量阀和恒流量调节阀不同的是：定流量阀只有一个阀瓣，由这个阀瓣直接感受阀门的前后差压，执行改变阀门阻力的动作，可成为"直动式变阻力阀"，它不能在线调节流量，因此使用定流量阀无法实施改变总流量的节能运行，而且这种定流量阀国内没有，进口的价格昂贵，以往国内的供暖系统很少采用，只有在一些中央空调系统中见到。

Radio telescopes are relatively inexpensive; radio signals travel at the speed of light, faster than which nothing can go; and the use of radio for communication is not a short-sighted or anthropocentric activity.

射电望远镜相对来说是昂贵的，无线电信号以光速行驶，没有什么比起它能走的更快了；而且无线电对于传播的使用不是一种短视或者以人类为宇宙中心的行为。

If you have installed the Norton anti-virus program by Symantec, and still cannot fix the computer virus, it is mostly because you do not have their latest updates, or you are using the pirated copy of the program.

如果你已经安装了Symantec的Norton反病毒程序，还是不能隔离计算机的病毒，这主要是因为你没有这个程序的最新版本，或者你正使用这个程序的盗版版本。

If, on the one hand, neuroimaging studies use a correlational approach which cannot offer a final proof for such claims, available neuropsychological data fail to offer a conclusive demonstration for two main reasons: they use tasks taxing both language and action systems; and they rarely consider the possibility that Broca's aphasics may also be affected by some form of apraxia.

一方面，如果神经影像学研究采用不能提供最终证据的相关性的方法，有效的神经心理学试验数据因下列两个原因未能提供结论性证据：他们过度使用的语言和行为系统；他们很少考虑Broca's失语症患者也可能被某种形式失用影响的可能性。

Using my computer would now entail making a slit in my belly flab and inserting the front half of the keyboard inside me, so that the bottom row of letters were rendered inaccessible and I would have to make do without the words banana, vixen, balaclava and many other colorful favorites.

害得我使用电脑的时候把腹部赘肉处压迫出来一条痕，键盘的前半部杵着我。因此我没有办法完成信件的结尾部分，我不能写下香蕉，泼妇，巴拉克拉法帽这样的词和其他各种有趣的嗜好。

This pair of contrary relations hold in communicating between the people and the computer, so it is a basie work of the teaching staff who work on the computer to search after the conversion of the binary system with the other numerical systems.

随着计算机的发展，人们发明了用接近于人类自然语言的计算机语言与计算机交流，但这种语言所使用的符号，计算机是不能直接识别和处理的，因此，必须要经过一定的转换。

In recent years, missionaries and the Interior Department's Bureau of Indian Affairs have worked on the compilation of dictionaries and grammars of the language, based on its phonetics, to reduce it to writing.

评估显示只有不超过28个非纳瓦霍人能熟练的使用这种语言，其中大部分是美国科学家和常年和纳瓦霍族人生活的一起的传教士。

New house will install solar energy device, use housing materials won't release harmful material, rainwater can arrive through road surface ooze in soil, this is in the California state with dry climate is very important.

新住宅将安装太阳能装置，使用的建筑材料不会释放有害物质，雨水能透过路面渗到土壤中—这在气候干燥的加利福尼亚州是非常重要的。

However, the EFTA Surveillance Authority claims that, by levying a special tax on bottles and cans that cannot be reused,"imported beverages are de facto taxed more heavily than similar or competing domestic products."

然而，欧洲自由贸易区监督局称，征收特别税的瓶罐，不能重复使用，&进口饮料的征税事实上更严重超过或相类似的国内产品。&

Of bacteria being or relating to a bacterium that does not retain the violet stain used in Gram's method.

指在使用革兰氏方法时不能保持所染的紫色的细菌，或者与这样的细菌相关。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。